class account
{
    protected int bal;
    protected void chargefee() { bal -= 3; }
    public void deposit(int amt) { bal += amt; this.chargefee(); }
    public int inquiry() { return bal; }
    public account(int b0) { bal = b0; }
}


class savingsaccount extends account
{ 
    private double interest;  // interest rate
   
    // overrides chargefee:
    protected void chargefee() { bal -= 1; }  // cheaper than superclass!

    //    public void deposit(int amt) { bal += amt; chargefee(); }
    // Why did we just redefine something that looks IDENTICAL?!!

    public savingsaccount(int bal, double intr) 
    { super(bal);  // calls constructor of superclass
      interest = intr;
    }
}


public class accounts2
{
    public static void main(String[] args)
    {
        savingsaccount myaccount = new savingsaccount(100,0.02);
	myaccount.deposit(50);
	System.out.println(myaccount.inquiry());
    }
}